does the yellowish screen diminish day by day?

i have got iphone 7 plus in dec 2nd week, when compared with my iphone 6 plus the screen looked yellowish. i checked online and compared with few more Iphone 7 and they all seems to be yellowish ( compared to my iphone 6 plus). So i continued using it. its been 3 weeks now and i got a new iphone 7 plus for my brother . the new phone i got now seems to be little yellowish compared to my 3 weeks old iphone 7 plus.
So question is, does the yellowish screen diminishes over a period of time? Please suggest.